{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:DTLCQ6MRDOJZB4TBRVGQBB7M6U","short_pith_number":"pith:DTLCQ6MR","canonical_record":{"source":{"id":"1811.09314","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2018-11-22T21:54:42Z","cross_cats_sorted":[],"title_canon_sha256":"4d5c37fe6d7beabd5a6dd331143bd3444666a6923ae0508bd5e41462a671ecee","abstract_canon_sha256":"4c4ff9b2e99ae092df8286ec569b74d5764617e67ecb4aed23599fa341772a66"},"schema_version":"1.0"},"canonical_sha256":"1cd62879911b9390f2618d4d0087ecf51a0474cd7fe468fae93778eadc3d3912","source":{"kind":"arxiv","id":"1811.09314","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1811.09314","created_at":"2026-05-17T23:58:01Z"},{"alias_kind":"arxiv_version","alias_value":"1811.09314v1","created_at":"2026-05-17T23:58:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.09314","created_at":"2026-05-17T23:58:01Z"},{"alias_kind":"pith_short_12","alias_value":"DTLCQ6MRDOJZ","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_16","alias_value":"DTLCQ6MRDOJZB4TB","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_8","alias_value":"DTLCQ6MR","created_at":"2026-05-18T12:32:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:DTLCQ6MRDOJZB4TBRVGQBB7M6U","target":"record","payload":{"canonical_record":{"source":{"id":"1811.09314","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2018-11-22T21:54:42Z","cross_cats_sorted":[],"title_canon_sha256":"4d5c37fe6d7beabd5a6dd331143bd3444666a6923ae0508bd5e41462a671ecee","abstract_canon_sha256":"4c4ff9b2e99ae092df8286ec569b74d5764617e67ecb4aed23599fa341772a66"},"schema_version":"1.0"},"canonical_sha256":"1cd62879911b9390f2618d4d0087ecf51a0474cd7fe468fae93778eadc3d3912","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:58:01.559552Z","signature_b64":"5Xce71HzJdNY/sUKynStlWi7UHIu1C8kW0wBkKRYoRKQxfRd4imJbibVBfxSSfSCE/H159H+i0tAh3mI0V7dDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1cd62879911b9390f2618d4d0087ecf51a0474cd7fe468fae93778eadc3d3912","last_reissued_at":"2026-05-17T23:58:01.559166Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:58:01.559166Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1811.09314","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:58:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"F5a7JAr3w8bCK4su87sngVX+tOiC1p3RjcR4rlS6ATCvhPuzYA4DofKUnufbYsdSCq8ZEgmFEiGrmomvOHoSAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T18:52:36.353407Z"},"content_sha256":"4dd6c60f7d9b40be9e544440ed24cba12e708cdb9819e2770a4975a61cf4f86a","schema_version":"1.0","event_id":"sha256:4dd6c60f7d9b40be9e544440ed24cba12e708cdb9819e2770a4975a61cf4f86a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:DTLCQ6MRDOJZB4TBRVGQBB7M6U","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Photoevaporative Flows From Exoplanet Atmospheres: A 3-D Radiative Hydrodynamic Parameter Study","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Adam Frank, Alex Debrecht, Eric G. Blackman, John McCann, Jonathan Carroll-Nellenback, Ruth Murray-Clay","submitted_at":"2018-11-22T21:54:42Z","abstract_excerpt":"The photoionization-driven evaporation of planetary atmospheres has emerged as a potentially fundamental process for planets on short period orbits. While 1-D studies have proven the effectiveness of stellar fluxes at altering the atmospheric mass and composition for sub-Jupiter mass planets, there remains much that is uncertain with regard to the larger-scale, multidimensional nature of such \"planetary wind\" flows. In this paper we use a new radiation-hydrodynamic platform to simulate atmospheric evaporative flows. Using the AstroBEAR AMR multiphysics code in a co-rotating frame centered on t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.09314","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:58:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3G4ap6IUjDE3ftPHbSXaJoSgq28Y6Oj+DPX3/y65jTcAxdc2pC8xC5rptiLaUCW1zMtT8PT0frweVUFGfTfSAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T18:52:36.353789Z"},"content_sha256":"c8487a759c4df56382fe709de1d2d78be59d0400be41b3af0ba20969079e4cd8","schema_version":"1.0","event_id":"sha256:c8487a759c4df56382fe709de1d2d78be59d0400be41b3af0ba20969079e4cd8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DTLCQ6MRDOJZB4TBRVGQBB7M6U/bundle.json","state_url":"https://pith.science/pith/DTLCQ6MRDOJZB4TBRVGQBB7M6U/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DTLCQ6MRDOJZB4TBRVGQBB7M6U/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-30T18:52:36Z","links":{"resolver":"https://pith.science/pith/DTLCQ6MRDOJZB4TBRVGQBB7M6U","bundle":"https://pith.science/pith/DTLCQ6MRDOJZB4TBRVGQBB7M6U/bundle.json","state":"https://pith.science/pith/DTLCQ6MRDOJZB4TBRVGQBB7M6U/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DTLCQ6MRDOJZB4TBRVGQBB7M6U/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:DTLCQ6MRDOJZB4TBRVGQBB7M6U","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"4c4ff9b2e99ae092df8286ec569b74d5764617e67ecb4aed23599fa341772a66","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2018-11-22T21:54:42Z","title_canon_sha256":"4d5c37fe6d7beabd5a6dd331143bd3444666a6923ae0508bd5e41462a671ecee"},"schema_version":"1.0","source":{"id":"1811.09314","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1811.09314","created_at":"2026-05-17T23:58:01Z"},{"alias_kind":"arxiv_version","alias_value":"1811.09314v1","created_at":"2026-05-17T23:58:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.09314","created_at":"2026-05-17T23:58:01Z"},{"alias_kind":"pith_short_12","alias_value":"DTLCQ6MRDOJZ","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_16","alias_value":"DTLCQ6MRDOJZB4TB","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_8","alias_value":"DTLCQ6MR","created_at":"2026-05-18T12:32:19Z"}],"graph_snapshots":[{"event_id":"sha256:c8487a759c4df56382fe709de1d2d78be59d0400be41b3af0ba20969079e4cd8","target":"graph","created_at":"2026-05-17T23:58:01Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"The photoionization-driven evaporation of planetary atmospheres has emerged as a potentially fundamental process for planets on short period orbits. While 1-D studies have proven the effectiveness of stellar fluxes at altering the atmospheric mass and composition for sub-Jupiter mass planets, there remains much that is uncertain with regard to the larger-scale, multidimensional nature of such \"planetary wind\" flows. In this paper we use a new radiation-hydrodynamic platform to simulate atmospheric evaporative flows. Using the AstroBEAR AMR multiphysics code in a co-rotating frame centered on t","authors_text":"Adam Frank, Alex Debrecht, Eric G. Blackman, John McCann, Jonathan Carroll-Nellenback, Ruth Murray-Clay","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2018-11-22T21:54:42Z","title":"Photoevaporative Flows From Exoplanet Atmospheres: A 3-D Radiative Hydrodynamic Parameter Study"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.09314","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:4dd6c60f7d9b40be9e544440ed24cba12e708cdb9819e2770a4975a61cf4f86a","target":"record","created_at":"2026-05-17T23:58:01Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"4c4ff9b2e99ae092df8286ec569b74d5764617e67ecb4aed23599fa341772a66","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2018-11-22T21:54:42Z","title_canon_sha256":"4d5c37fe6d7beabd5a6dd331143bd3444666a6923ae0508bd5e41462a671ecee"},"schema_version":"1.0","source":{"id":"1811.09314","kind":"arxiv","version":1}},"canonical_sha256":"1cd62879911b9390f2618d4d0087ecf51a0474cd7fe468fae93778eadc3d3912","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1cd62879911b9390f2618d4d0087ecf51a0474cd7fe468fae93778eadc3d3912","first_computed_at":"2026-05-17T23:58:01.559166Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:58:01.559166Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"5Xce71HzJdNY/sUKynStlWi7UHIu1C8kW0wBkKRYoRKQxfRd4imJbibVBfxSSfSCE/H159H+i0tAh3mI0V7dDQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:58:01.559552Z","signed_message":"canonical_sha256_bytes"},"source_id":"1811.09314","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4dd6c60f7d9b40be9e544440ed24cba12e708cdb9819e2770a4975a61cf4f86a","sha256:c8487a759c4df56382fe709de1d2d78be59d0400be41b3af0ba20969079e4cd8"],"state_sha256":"156cb1078f962b0a1c49fa692b9b23c954c611265204d006e2512138356d5afb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"09X0JQcWh/pZRMqSuiUscC+T4k222nT7TdLiXCPgXWCHearwqMH082RLtJ2DLc2QhqLh5sna98xTZ2kole+VBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T18:52:36.357575Z","bundle_sha256":"17e25a3f0ed57402cb83e09f6002719d8a98a2b72058da713240c0f16346219b"}}